| 大功率整流器换流问题研究 |
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| 引用本文： | 蒋家久.大功率整流器换流问题研究[J].机车电传动,2003(6):13-16,47. |
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| 作者姓名： | 蒋家久 |
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| 作者单位： | 株洲电力机车研究所,研发中心,湖南,株洲,412001 |
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| 摘 要： | 理论上分析了大功率整流电路换流过渡过程，分析了换流过电压、关断功率与阻尼电路参数间的相互关系，提出换流过电压和关断功率的计算方法与计算公式，进一步探讨了如何合理配置阻尼保护电路参数。特别指出在大电流瞬时关断功率比换流过电压具有更大的危害性。为消除元件在换流过程中的关断损坏，还推荐一种改进型整流电路。
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| 关 键 词： | 大功率整流器 换流过电压 关断功率 反向恢复电流 阻尼保护参数 阻尼电路 |
| 文章编号： | 1000-128X(2003)06-0013-04 |
Study on commutation of power rectifiers |
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| JIANG,Jia-jiu.Study on commutation of power rectifiers[J].Electric Drive For Locomotive,2003(6):13-16,47. |
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| Authors: | JIANG Jia-jiu |
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| Abstract: | The commutation transient of power rectifier circuit are analyzed theoretically as well as the inter-relationships betweencommutation over-voltage, switch-off power and damping circuit parameters. It is pointed out the way and formula of calculation for theover-voltage and switch-off power. Further probed is how to configure the parameters of damping protection circuit. In special emphasisis the greater hazard of the transient switch-off power at high current than the commutating over-voltage. An improved rectifying circuit isrecommended to avoid component switch-off damages during the commutation. |
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| Keywords: | rectifier commutation over-voltage switch-off power reverse recovery current damping protection parameter |
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